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Circuit Breaker

For power distribution and electrical protection systems, circuit breakers are among the most critical components for safeguarding equipment, personnel, and facilities from electrical overloads and short circuits. Circuit breakers automatically interrupt electrical current flow when abnormal conditions are detected, protecting circuits from damage while allowing manual reset and continued operation. Electrical.com carries an extensive selection of circuit breakers from all major manufacturers, including new, used, surplus, and re-certified options. These components are designed to meet the diverse needs of commercial buildings, manufacturing facilities, data centers, and industrial power distribution applications.
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Manufacturer
Amperage
Poles
MDN4083LEA0722NMNFNNNHDAX
MDN4083LEA0722NMNFNNNHDAX
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Cutler Hammer
800
3
MDN4083LEA0722NMNFNNNHDCX
MDN4083LEA0722NMNFNNNHDCX
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Cutler Hammer
800
3
MDN4083LEA0722NMNFNNNHDPX
MDN4083LEA0722NMNFNNNHDPX
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Cutler Hammer
800
3
MDN4083LEA0722NMNFNNNHDSX
MDN4083LEA0722NMNFNNNHDSX
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Cutler Hammer
800
3
MDN4083LEA0722NMNFNNNHDWX
MDN4083LEA0722NMNFNNNHDWX
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Cutler Hammer
800
3
MDN4083LEA0722NMNFNNNHMAX
MDN4083LEA0722NMNFNNNHMAX
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Cutler Hammer
800
3
MDN4083LEA0722NMNFNNNHMCX
MDN4083LEA0722NMNFNNNHMCX
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Cutler Hammer
800
3
MDN4083LEA0722NMNFNNNHMPX
MDN4083LEA0722NMNFNNNHMPX
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Cutler Hammer
800
3
MDN4083LEA0722NMNFNNNHMSX
MDN4083LEA0722NMNFNNNHMSX
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Cutler Hammer
800
3
MDN4083LEA0722NMNFNNNHMWX
MDN4083LEA0722NMNFNNNHMWX
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Cutler Hammer
800
3
MDN4083LEA0722NMNFNNNHNAX
MDN4083LEA0722NMNFNNNHNAX
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Cutler Hammer
800
3
MDN4083LEA0722NMNFNNNHNCX
MDN4083LEA0722NMNFNNNHNCX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0722NMNFNNNHNPX
MDN4083LEA0722NMNFNNNHNPX
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Cutler Hammer
800
3
MDN4083LEA0722NMNFNNNHNSX
MDN4083LEA0722NMNFNNNHNSX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0722NMNFNNNHNWX
MDN4083LEA0722NMNFNNNHNWX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0722NMNFNNNKCAX
MDN4083LEA0722NMNFNNNKCAX
Limited Stock
From
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Cutler Hammer
800
3
MDN4083LEA0722NMNFNNNKCCX
MDN4083LEA0722NMNFNNNKCCX
Limited Stock
From
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Cutler Hammer
800
3
MDN4083LEA0722NMNFNNNKCPX
MDN4083LEA0722NMNFNNNKCPX
Limited Stock
From
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Cutler Hammer
800
3
MDN4083LEA0722NMNFNNNKCSX
MDN4083LEA0722NMNFNNNKCSX
Limited Stock
From
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Cutler Hammer
800
3
MDN4083LEA0722NMNFNNNKCWX
MDN4083LEA0722NMNFNNNKCWX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0722NMNFNNNKDAX
MDN4083LEA0722NMNFNNNKDAX
Limited Stock
From
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Cutler Hammer
800
3
MDN4083LEA0722NMNFNNNKDCX
MDN4083LEA0722NMNFNNNKDCX
Limited Stock
From
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Cutler Hammer
800
3
MDN4083LEA0722NMNFNNNKDPX
MDN4083LEA0722NMNFNNNKDPX
Limited Stock
From
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Cutler Hammer
800
3
MDN4083LEA0722NMNFNNNKDSX
MDN4083LEA0722NMNFNNNKDSX
Limited Stock
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Cutler Hammer
800
3
Popular Circuit Breaker Manufacturers

Electrical.com stocks the largest inventory of circuit breakers in the world, with over 1 million square feet of new, used, surplus, and re-certified circuit protection equipment available for immediate shipment. From residential to industrial applications, across all voltage and amperage ratings, we have what you need when others say no. Our comprehensive circuit breaker inventory spans all voltage classes, amperage ratings, and pole configurations from all major manufacturers including current production and discontinued models from legacy suppliers. Available in new factory condition, surplus stock, and re-certified options‚ All backed by our standard 2-year Electrical.com warranty. Our circuit breakers serve critical applications across manufacturing facilities, commercial buildings, data centers, healthcare facilities, utilities and power generation, industrial plants, residential construction, telecommunications infrastructure, and process control installations.


Whether you're maintaining legacy equipment with obsolete circuit breaker models or sourcing current production components for new electrical systems, our 40+ warehouse locations across the US and Canada ensure rapid delivery to minimize your downtime and keep your operations running. Need circuit breakers now? Call 877-999-7077 or email [email protected]. With same-day shipping available and the right parts ready to ship from our nearest warehouse location, Electrical.com gets your operations back online fast. We can say yes when others have to say no.

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